function sim = set_up_mit(eq_SS, param, glob, options)

    sim.A          = zeros(options.T, 1);
    sim.A(1)       = -.0163; %
    sim.A(2:100)   = sim.A(1)*(.685.^(2:100));
    sim.A          = exp(sim.A);
       
    sim.M          = param.M*ones(options.T,1);

    
    sim.C          = ones(options.T, 1);
    sim.C          = sim.C.*sim.A;
    
    sim.W          = sim.C.^.5;
 
     sim.cE         = param.ce*ones(options.T,1);
 
     sim.cF         = param.mu_f*ones(options.T,1);

    sim.D          = eq_SS.D*ones(options.T,1);
    
    sim.mu         = nan(size(eq_SS.L,1),options.T);
    sim.mu(:,1)    = eq_SS.L;
    
    sim.y          = nan(size(eq_SS.L,1),options.T);
    sim.p          = nan(size(eq_SS.L,1),options.T);
    sim.bp         = nan(size(eq_SS.L,1),options.T);
    
    sim.enter      = nan(size(glob.agrid,1), options.T);
    sim.exit       = nan(size(eq_SS.L,1),options.T);
    
end